libavcodec/dnxhdenc.c File Reference

#include "libavutil/opt.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "mpegvideo_common.h"
#include "dnxhdenc.h"

Go to the source code of this file.

Defines
#define	RC_VARIANCE   1
#define	VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#define	DNX10BIT_QMAT_SHIFT   18
#define	LAMBDA_FRAC_BITS   10
#define	BUCKET_BITS   8
#define	RADIX_PASSES   4
#define	NBUCKETS   (1 << BUCKET_BITS)
Functions
static void	dnxhd_8bit_get_pixels_8x4_sym (DCTELEM *restrict block, const uint8_t *pixels, int line_size)
static av_always_inline void	dnxhd_10bit_get_pixels_8x4_sym (DCTELEM *restrict block, const uint8_t *pixels, int line_size)
static int	dnxhd_10bit_dct_quantize (MpegEncContext *ctx, DCTELEM *block, int n, int qscale, int *overflow)
static int	dnxhd_init_vlc (DNXHDEncContext *ctx)
static int	dnxhd_init_qmat (DNXHDEncContext *ctx, int lbias, int cbias)
static int	dnxhd_init_rc (DNXHDEncContext *ctx)
static int	dnxhd_encode_init (AVCodecContext *avctx)
static int	dnxhd_write_header (AVCodecContext *avctx, uint8_t *buf)
static av_always_inline void	dnxhd_encode_dc (DNXHDEncContext *ctx, int diff)
static av_always_inline void	dnxhd_encode_block (DNXHDEncContext *ctx, DCTELEM *block, int last_index, int n)
static av_always_inline void	dnxhd_unquantize_c (DNXHDEncContext *ctx, DCTELEM *block, int n, int qscale, int last_index)
static av_always_inline int	dnxhd_ssd_block (DCTELEM *qblock, DCTELEM *block)
static av_always_inline int	dnxhd_calc_ac_bits (DNXHDEncContext *ctx, DCTELEM *block, int last_index)
static av_always_inline void	dnxhd_get_blocks (DNXHDEncContext *ctx, int mb_x, int mb_y)
static av_always_inline int	dnxhd_switch_matrix (DNXHDEncContext *ctx, int i)
static int	dnxhd_calc_bits_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static int	dnxhd_encode_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static void	dnxhd_setup_threads_slices (DNXHDEncContext *ctx)
static int	dnxhd_mb_var_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
static int	dnxhd_encode_rdo (AVCodecContext *avctx, DNXHDEncContext *ctx)
static int	dnxhd_find_qscale (DNXHDEncContext *ctx)
static int	get_bucket (int value, int shift)
static void	radix_count (const RCCMPEntry *data, int size, int buckets[RADIX_PASSES][NBUCKETS])
static void	radix_sort_pass (RCCMPEntry *dst, const RCCMPEntry *data, int size, int buckets[NBUCKETS], int pass)
static void	radix_sort (RCCMPEntry *data, int size)
static int	dnxhd_encode_fast (AVCodecContext *avctx, DNXHDEncContext *ctx)
static void	dnxhd_load_picture (DNXHDEncContext *ctx, const AVFrame *frame)
static int	dnxhd_encode_picture (AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data)
static int	dnxhd_encode_end (AVCodecContext *avctx)
Variables
static const AVOption	options []
class {
dnxhd
av_default_item_name
options
};
AVCodec	ff_dnxhd_encoder

---

Define Documentation

#define BUCKET_BITS   8

Definition at line 790 of file dnxhdenc.c.

Referenced by radix_count(), and radix_sort_pass().

#define DNX10BIT_QMAT_SHIFT   18

Definition at line 37 of file dnxhdenc.c.

Referenced by dnxhd_10bit_dct_quantize(), and dnxhd_init_qmat().

#define LAMBDA_FRAC_BITS   10

Definition at line 45 of file dnxhdenc.c.

Referenced by dnxhd_encode_rdo(), and dnxhd_init_rc().

#define NBUCKETS   (1 << BUCKET_BITS)

Definition at line 792 of file dnxhdenc.c.

Referenced by get_bucket(), and radix_sort().

#define RADIX_PASSES   4

Definition at line 791 of file dnxhdenc.c.

Referenced by radix_count(), and radix_sort().

#define RC_VARIANCE   1

Definition at line 27 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_fast().

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 36 of file dnxhdenc.c.

---

Function Documentation

static int dnxhd_10bit_dct_quantize	(	MpegEncContext *	ctx,
		DCTELEM *	block,
		int	n,
		int	qscale,
		int *	overflow
	)			[static]

Definition at line 76 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static av_always_inline void dnxhd_10bit_get_pixels_8x4_sym	(	DCTELEM *restrict	block,
		const uint8_t *	pixels,
		int	line_size
	)			[static]

Definition at line 64 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static void dnxhd_8bit_get_pixels_8x4_sym	(	DCTELEM *restrict	block,
		const uint8_t *	pixels,
		int	line_size
	)			[static]

Definition at line 47 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static av_always_inline int dnxhd_calc_ac_bits	(	DNXHDEncContext *	ctx,
		DCTELEM *	block,
		int	last_index
	)			[static]

Definition at line 452 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

static int dnxhd_calc_bits_thread	(	AVCodecContext *	avctx,
		void *	arg,
		int	jobnr,
		int	threadnr
	)			[static]

Definition at line 509 of file dnxhdenc.c.

Referenced by dnxhd_encode_rdo(), and dnxhd_find_qscale().

static av_always_inline void dnxhd_encode_block	(	DNXHDEncContext *	ctx,
		DCTELEM *	block,
		int	last_index,
		int	n
	)			[static]

Definition at line 379 of file dnxhdenc.c.

Referenced by dnxhd_encode_thread().

static av_always_inline void dnxhd_encode_dc	(	DNXHDEncContext *	ctx,
		int	diff
	)			[static]

Definition at line 366 of file dnxhdenc.c.

Referenced by dnxhd_encode_block().

static int dnxhd_encode_end

(

AVCodecContext *

avctx

)

[static]

Definition at line 964 of file dnxhdenc.c.

static int dnxhd_encode_fast	(	AVCodecContext *	avctx,
		DNXHDEncContext *	ctx
	)			[static]

Definition at line 846 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_encode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 235 of file dnxhdenc.c.

static int dnxhd_encode_picture	(	AVCodecContext *	avctx,
		unsigned char *	buf,
		int	buf_size,
		void *	data
	)			[static]

Definition at line 903 of file dnxhdenc.c.

static int dnxhd_encode_rdo	(	AVCodecContext *	avctx,
		DNXHDEncContext *	ctx
	)			[static]

Definition at line 656 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_encode_thread	(	AVCodecContext *	avctx,
		void *	arg,
		int	jobnr,
		int	threadnr
	)			[static]

Definition at line 560 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_find_qscale

(

DNXHDEncContext *

ctx

)

[static]

Definition at line 732 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static av_always_inline void dnxhd_get_blocks	(	DNXHDEncContext *	ctx,
		int	mb_x,
		int	mb_y
	)			[static]

Definition at line 469 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_thread().

static int dnxhd_init_qmat	(	DNXHDEncContext *	ctx,
		int	lbias,
		int	cbias
	)			[static]

Definition at line 157 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static int dnxhd_init_rc

(

DNXHDEncContext *

ctx

)

[static]

Definition at line 221 of file dnxhdenc.c.

Referenced by dnxhd_encode_init().

static int dnxhd_init_vlc

(

DNXHDEncContext *

ctx

)

[static]

Definition at line 102 of file dnxhdenc.c.

static void dnxhd_load_picture	(	DNXHDEncContext *	ctx,
		const AVFrame *	frame
	)			[static]

Definition at line 883 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int dnxhd_mb_var_thread	(	AVCodecContext *	avctx,
		void *	arg,
		int	jobnr,
		int	threadnr
	)			[static]

Definition at line 613 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static void dnxhd_setup_threads_slices

(

DNXHDEncContext *

ctx

)

[static]

Definition at line 594 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static av_always_inline int dnxhd_ssd_block	(	DCTELEM *	qblock,
		DCTELEM *	block
	)			[static]

Definition at line 443 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

static av_always_inline int dnxhd_switch_matrix	(	DNXHDEncContext *	ctx,
		int	i
	)			[static]

Definition at line 503 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread(), and dnxhd_encode_thread().

static av_always_inline void dnxhd_unquantize_c	(	DNXHDEncContext *	ctx,
		DCTELEM *	block,
		int	n,
		int	qscale,
		int	last_index
	)			[static]

Definition at line 402 of file dnxhdenc.c.

Referenced by dnxhd_calc_bits_thread().

static int dnxhd_write_header	(	AVCodecContext *	avctx,
		uint8_t *	buf
	)			[static]

Definition at line 335 of file dnxhdenc.c.

Referenced by dnxhd_encode_picture().

static int get_bucket	(	int	value,
		int	shift
	)			[inline, static]

Definition at line 794 of file dnxhdenc.c.

Referenced by radix_count(), and radix_sort_pass().

static void radix_count	(	const RCCMPEntry *	data,
		int	size,
		int	buckets[RADIX_PASSES][NBUCKETS]
	)			[static]

Definition at line 801 of file dnxhdenc.c.

Referenced by radix_sort().

static void radix_sort	(	RCCMPEntry *	data,
		int	size
	)			[static]

Definition at line 832 of file dnxhdenc.c.

Referenced by dnxhd_encode_fast().

static void radix_sort_pass	(	RCCMPEntry *	dst,
		const RCCMPEntry *	data,
		int	size,
		int	buckets[NBUCKETS],
		int	pass
	)			[static]

Definition at line 821 of file dnxhdenc.c.

Referenced by radix_sort().

---

Variable Documentation

const { ... } [static]

av_default_item_name

Definition at line 43 of file dnxhdenc.c.

dnxhd

Definition at line 43 of file dnxhdenc.c.

Referenced by av_register_all(), and avcodec_register_all().

AVCodec ff_dnxhd_encoder

Initial value:

 {
    .name           = "dnxhd",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_DNXHD,
    .priv_data_size = sizeof(DNXHDEncContext),
    .init           = dnxhd_encode_init,
    .encode         = dnxhd_encode_picture,
    .close          = dnxhd_encode_end,
    .capabilities = CODEC_CAP_SLICE_THREADS,
    .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_YUV422P10, PIX_FMT_NONE},
    .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
    .priv_class = &class,
}

Definition at line 993 of file dnxhdenc.c.

options [static]

Initial value:

{
    {"nitris_compat", "encode with Avid Nitris compatibility", 0x42, AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, VE},
{NULL}
}

Definition at line 39 of file dnxhdenc.c.